English Dictionary: ELUSIVE

e·lu·sive  

/iˈlo͞osiv/

Adjective 1.    Difficult to find, catch, or achieve. 2.    Difficult to remember or recall.

Synonyms evasive - elusory

Example from Cricinfo Site:

England v Australia, 5th Investec Test, 2013, The Oval, 1st day

Watson lifts Australia with elusive ton

Australia 307 for 4 (Smith 66*, Siddle 18*) v England

http://www.espncricinfo.com/the-ashes-2013/content/current/story/663891.html